| 1. | In the list of organisms given below, those that reproduce by the asexual method are (i) banana (ii) dog (iii) yeast (iv) Amoeba ? | |
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(ii), (iii) and (iv)
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(i) and (iv)
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(i), (iii) and (iv)
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(ii) and (iv)
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Report Question| 2. | In human males, the testes lie in the scrotum, because it helps in the ? | |
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secretion of estrogen
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easy transfer of gametes
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process of mating
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formation of sperms
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| 3. | Plants like banana, rose, jasmine, orange have lost the capacity to produce ? | |
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roots
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flower
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seeds
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buds
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| 4. | During favourable conditions, Amoeba reproduces by ? | |
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fragmentation
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budding
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binary fission
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multiple fission
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| 5. | Pollen grains are produced by ? | |
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corolla
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ovule
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ovary
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apther
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| 6. | Length of pollen tube depends on the distance between ? | |
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Pollen grain on upper surface of stigma and ovule
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Upper surface of stigma and lower part of style
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Pollen grain in anther and upper surface of stigma
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Pollen grain and upper surface of stigma
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| 7. | _______ is a common tube for urine and sperm in human male. ? | |
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Ureter
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Urethra
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Uterus
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None of the above
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| 8. | A fertilized ovule develops into a _____ in an angiosperm plant ? | |
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cotyledon
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flower
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seed
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fruit
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| 9. | An animal which can reproduce by budding is ? | |
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Yeast
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Bryophyllym
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Hydra
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All of the above
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| 10. | Copper T and Loops are ? | |
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Contaminating devices
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Contraceptive devices
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Conducive devices
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Conventional devices
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